Season 2 Episode Guide

Series 2 ends with Slade kidnapping and threatening to kill another person in Oliver's life, which forces Oliver to decide whether he is a killer or a hero. Meanwhile, Diggle takes on Amanda; and Thea turns to Roy in a time of need.

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The serum mirakuru sends Roy into an uncontrolled rage that leads to deadly consequences. Oliver tries to stop him, but Sara believes he is too far gone and wants to kill him. Meanwhile, Thea believes she can get through to Roy and tries to lure him to Verdant.

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Slade makes his move against Oliver and the repercussions are severe. Oliver desperately tries to protect his family, but one key player on his team questions his decisions. Meanwhile, Isabel attempts to take Queen Consolidated away from Oliver.

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The Huntress returns and takes hostages at the courthouse when her father is arrested. Laurel is among those taken, which prompts her sister, the Canary, to battle the Huntress in an epic confrontation. Meanwhile, Roy tries to keep Thea safe, but he doesn't like the way he is forced to do it.

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The Suicide Squad is sent on its first mission, and Diggle agrees to join the team but is shocked to learn that the unit includes Deadshot, Bronze Tiger and Shrapnel, all criminals he and Arrow helped put away. Meanwhile, Oliver prepares to battle Slade, who is out to destroy Oliver's loved one.

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Oliver is shocked to learn that Slade is in Starling City. Back on the island, Oliver, Slade and Sara prepare to take over the freighter from Ivo, and Sara urges Oliver to kill Ivo. Although he feels guilty about it, Oliver agrees to do it.

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Oliver brings Sara into the Arrow family, which makes Felicity feel left out. The team investigate the Clock King, who is able to open any bank vault in Starling City with advanced technology. Meanwhile, Laurel refuses to attend a welcome home party for Sara.

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Dinah is kidnapped by Nyssa when she refuses to return to the League of Assassins; and Sara considers rejoining the league when she realises she is putting her family in danger by staying in town. Meanwhile, Laurel continues to unravel.

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Arrow offers to train Roy and help him control his newfound strength; the Bronze Tiger escapes from prison and steals Malcolm's earthquake machine in order to sell it to the highest bidder; Laurel is disbarred; Moira is thrilled when Walter asks her to dinner.

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Laurel asks the Arrow to investigate Sebastian Blood, but Oliver is unsure whether to believe her accusations against the man he supports for mayor. Meanwhile, Sebastian exposes Laurel's drug addiction and has her arrested; and Roy reveals his new super strength to Sin, who wants to test out his abilities. Back on the island, Oliver is surprised when Sarah reveals a secret about Laurel.

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Shrapnel sets off bombs in Starling City and selects Sebastian Blood's unity rally as his next target. Arrow tries to stop the bombing, but Shrapnel traps him in a bomb-laced antiques store. Meanwhile, Thea demands answers from Roy after she witnesses his super strength; and Laurel's suspicions about Sebastian grow stronger when she learns that he grew up with Cyrus Gold, the man who killed Lance's partner.

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Oliver is drugged after a fight with Cyrus Gold and left for dead. Felicity tries to cure him but the cure causes Oliver to hallucinate and he is visited by ghosts from his past. Meanwhile, Barry and Felicity grow closer; and Roy is captured and tortured by Brother Blood.

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A mysterious robbery brings police scientist Barry Allen to Starling City to investigate, and Felicity takes a liking to him. Meanwhile, Sin asks Roy to help her find a missing friend who is connected to Brother Blood. He agrees but the search gets one of them seriously injured.

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A mysterious illness sweeps through the city and infects hundreds of people, including Diggle. Oliver discovers the designer drug Vertigo in Diggle's blood and realises that the Count has escaped from prison and is once again distributing the drug.

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Diggle pursues Deadshot in Russia and tries to rescue Lyla who goes missing. Oliver and Felicity join Diggle, but things get messy when Isabel insists on tagging along. Meanwhile, Moira's lawyer tells Thea that dating a known criminal is hurting her mom's case.

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Oliver and Canary are attacked by a trained killer from the League of Assassins. Meanwhile, the ADA offers Moira a choice of pleading guilty to murder and conspiracy, and thereby avoiding the death penalty, or taking her chances in court.

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A man called the Mayor brings illegal guns into the Glades, so Oliver sponsors a "Cash for Guns" event to rid the city of weapons. But the Mayor and his gang crash the event and seriously injure Sin. When the Canary learns Sin is in the hospital, she seeks revenge. Meanwhile, Donner asks Laurel to dinner; and Diggle reconnects with an old friend.

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A criminal that Lance put away years ago breaks out of prison and starts torturing and murdering women. Felicity offers herself as bait so Arrow, Diggle and Lance can catch the villain. Meanwhile, DA Adam Donner seeks the death penalty for Moira.

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Thieves hijack medical supplies sent to Glades Memorial. Oliver gets into a heated battle with China White and her new partner, the Bronze Tiger, over the supplies. Meanwhile, Laurel makes plans to catch the Arrow; and Thea give Roy an ultimatum.

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Oliver returns to Starling City after the Undertaking and finds that things are in worse shape than he thought as Series 2 begins. Isabel prepares a hostile takeover of Queen Consolidated; Thea refuses to visit Moira in jail; Roy tries to fill the void left by Arrow's absence; and Laurel works to take down the vigilante. Flashbacks to the island reveal Slade, Shado and Oliver in a desperate situation.

Premise: A billionaire playboy and expert archer becomes a vigilante who is out to right the wrongs created by his family and restore his beloved city back to its former glory after being shipwrecked for five years on a remote island. (more)